package com.hhh.demo.sx.Interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @author lenovo
 * @create 2022/1/1 15:05
 */
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request,
                             HttpServletResponse response,
                             Object handler) throws Exception {
        HttpSession session = request.getSession();
        Object loginUser = session.getAttribute("user");
        if (loginUser != null) {
            return true;
        } else {
            response.sendRedirect("/login");
            return false;

        }



    }
}